Chapter 4 - AT Commands, S-Registers and Result Codes

COMMAND:

&RFn

VALUES:

n = 0 or 1

DEFAULT:

&RF1

DESCRIPTION:

 

 

&RF0 selects CTS follows RTS.

 

&RF1 selects CTS to act independently

COMMAND:

Sr=n

VALUES:

r = 0-11, 13, 15-17, 24-26, 29, 30, 32, 34, 36, 37, 48

DEFAULT:

n/a

DESCRIPTION:

 

 

Sets value of S-Register “r” to value of “n” , where “n” is

 

entered in decimal format.

COMMAND:

Sr?

VALUES:

r = 0-11, 13, 15-17, 24-26, 29, 30, 32, 34, 36, 37, 48

DEFAULT:

n/a

DESCRIPTION:

 

 

Reads value of S-Register “r” and displays value in 3-digit

 

decimal format.

COMMAND:

$SBn

VALUES:

n = speed

DEFAULT:

$SB115200 bps

DESCRIPTION:

 

 

$SB300 selects 300 bps at serial port.

 

$SB1200 selects 1200 bps at serial port.

 

$SB2400 selects 2400 bps at serial port.

 

$SB4800 selects 4800 bps at serial port.

 

$SB9600 selects 9600 bps at serial port.

 

$SB19200 selects 19,200 bps at serial port.

 

$SB38400 selects 38,400 bps at serial port

 

$SB57600 selects 57600 bps at serial port.

 

$SB115200 selects 115200 bps at serial port.

COMMAND:

&SFn

VALUES:

n = 0 or 1

DEFAULT:

&SF0

DESCRIPTION:

 

 

&SF0 selects DSR follows CD.

 

&SF1 selects DSR independent.

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Multi-Tech Systems MT2834ZPX owner manual RFn